A migrant wrapped in a blanket to keep warm, waits with other migrants and refugees to board a train heading to the border with Croatia at the train station in Presevo, on January 19, 2016, after crossing the Macedonian border into Serbia. More than one million migrants reached Europe in 2015, most of them refugees fleeing war and violence in Afghanistan, Iraq and Syria, according to the United Nations refugee agency. (Photo by Dimitar Dilkoff/AFP Photo)
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